(Last updated: 13.08.2019)
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Norsk versjon | ||||
| THE ORE DATABASE | |||||
| Occurence 5026 - 035 Utrenna | |||||
| (Object Id: 4436) (Last updated: 13.08.2019) |
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| Location |
| County: | Trøndelag | Municipality: | Holtålen (5026) |
| Map 1:50000: | Ålen (1720-4) | Map 1:250000: | Røros |
| Coordinate system: | EU89-UTM Zone 32 |
| East: | 622424 m. | North: | 6977197 m. |
| Longitude: | 11.4094690 | Latitude: | 62.9041060 |
| Show on map |
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| Resource |
| Resource Type: | Base metals (Cu,Zn,Pb,Fe sulphides, As,Sb,Bi,Sn) | Resource Subtype: | Sulphides | |
| Element(s): | Kis |
| Importance |
| Raw material meaning: | Little Importance (reg. 18.02.2015) |
| Resources and production |
| Activity: | Pitting | Reserves: | ||
| Operating method: | Historical production: |
Mineralization |
| Era: | Paleozoic | Period: | Ordovician | |
| Genesis: | Volcex | Form: | ||
| Main texture: | Banded | Min. distribution: | Massive (>50 % ore minerals) |
| Main grain size: | Fine grained (< 1 mm) | Main alteration: |
| Strike/Dip: | Direction: | |||
| Plunge: |
| Stratigraphic classification of host rock |
| Era: | Paleozoic | Period: | Ordovician |
| Province: | Caledonides | |
| Geotec.unit: | Trondheim Nappe Complex | |
| Tectonic complex: | Meråker Nappe | |
| Igneous complex: |
| Group: | Fundsjø | Formation: | Hersjø |
Mineralogy |
| Relationship | Mineral | Amount | |
| Gangue mineral | Quartz | Major mineral (>10%) | |
| Gangue mineral | Graphite | Subordinate mineral (1-10%) | |
| Gangue mineral | Mica | Subordinate mineral (1-10%) | |
| Ore mineral | Pyrite | Major mineral (>10%) | |
| Ore mineral | Pyrrhotite | Major mineral (>10%) |
Lithology: |
| Relationship | Rock | Origin | |
| Wall rock | Amphibolite | Extrusive Original rock :Basalt |
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| Metamorphic facies :Amphibolite | |||
| Wall rock | Black schist | Sedimentary Original rock :Bituminous argillite |
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| Metamorphic facies :Amphibolite | |||
| Wall rock | Rhyodacite | Extrusive Original rock :Rhyodacite |
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| Metamorphic facies :Amphibolite | |||
| Wall rock | Gabbro | Intrusive Original rock :Gabbro |
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| Metamorphic facies :Amphibolite |
Structures |
| Location: | Type: | Orientation(360 gr.): | Relation to min.: | |
| Wall rock | Schistosity | Strike/Dip :90 / 30 | Post-mineralisation ;...Effect :Modifies | |
| Wall rock | Mineral lineation | Dir./Plunge :190 / 30 | Post-mineralisation ;...Effect :None |
| Photo(s) from the Deposit area: |
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Fieldsamples |
| Sample No. | Sample type | Miscellanrous | ||||
| ST0234.01 | Dump |
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| ST0234.02 | Dump |
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| NB! All analyse values are shown at the end of the printout.: |
Analyse Results |
| from |
| Deposit Area 5026 - 035 Utrenna |
Element analyses |
( *=parts pr. million, #=parts pr.billion, Negative values means below detection limit value.) |
| Sample No. | Sample Type | Cu* | Zn* | Pb* | Co* | Ni* | Ag* | Au# |
| ST0234.01 | Dump | 127 | 162 | 31 | 22 | 50 | -.3 | 11.0 |
| ST0234.02 | Dump | 203 | 318 | 41 | 33 | 145 | .6 | 8.0 |
| ------------------ |
| Sample No. | Pt# | Pd# | As* | Cd* | Ba* | Mo* | Sb* | Bi* | S% |
| ST0234.01 | 4.0 | 7.0 | 244 | .8 | 6 | 16.00 | -3 | 4 | 31.65 |
| ST0234.02 | 8.0 | 11.0 | 203 | 2.2 | 9 | 37.00 | 3 | 6 | 24.53 |
| ------------------ |
| Sample No. | V* | Cr* | Mn* | Fe% | Th* | U* | W* | Sr* | La* |
| ST0234.01 | 36 | 60 | 107 | 17.54 | 3.00 | -8.00 | -2 | 6.0 | 2.00 |
| ST0234.02 | 50 | 42 | 158 | 21.34 | 4.00 | -8.00 | -2 | 6.0 | 7.00 |
| ------------------ |
| Sample No. | B* | ||||||||
| ST0234.01 | -3 | ||||||||
| ST0234.02 | -3 |
| The fact sheet was created on 06.05.2024 |
| Questions or comments regarding the fact sheet can be emailed to: ressursdatabaser@ngu.no |
| Copyright © 2024 Geological Survey of Norway |